style(Change Detection): rename WatchGroupDispatcher to ChangeDispatcher

Author: vicb

modules/benchmarks/src/change_detection/change_detection_benchmark.js

@@ -8,7 +8,7 @@ import {benchmark, benchmarkStep} from 'benchpress/benchpress';
 import {
   ChangeDetector,
   ProtoRecordRange,
-  WatchGroupDispatcher,
+  ChangeDispatcher,
 } from 'change_detection/change_detector';
 
 
@@ -180,7 +180,7 @@ export function main () {
 }
 
 
-class DummyDispatcher extends WatchGroupDispatcher {
+class DummyDispatcher extends ChangeDispatcher {
   onRecordChange(record, context) {
   }
-}
+}

modules/change_detection/src/record.js

@@ -103,7 +103,7 @@ export class Record {
 
   // Opaque data which will be the target of notification.
   // If the object is instance of Record, then it it is directly processed
-  // Otherwise it is the context used by  WatchGroupDispatcher.
+  // Otherwise it is the context used by ChangeDispatcher.
   dest;
 
   constructor(recordRange:RecordRange, protoRecord:ProtoRecord, formatters:Map) {

modules/change_detection/src/record_range.js

@@ -45,9 +45,10 @@ export class ProtoRecordRange {
    * Parses [ast] into [ProtoRecord]s and adds them to [ProtoRecordRange].
    *
    * @param ast The expression to watch
-   * @param expressionMemento an opaque object which will be passed to WatchGroupDispatcher on
+   * @param expressionMemento an opaque object which will be passed to ChangeDispatcher on
    *        detecting a change.
-   * @param content Wether to watch collection content (true) or reference (false, default)
+   * @param groupMemento
+   * @param content Whether to watch collection content (true) or reference (false, default)
    */
   addRecordsFromAST(ast:AST,
         expressionMemento,
@@ -65,7 +66,7 @@ export class ProtoRecordRange {
     this.recordCreator.createRecordsFromAST(ast, expressionMemento, groupMemento);
   }
 
-  // TODO(rado): the type annotation should be dispatcher:WatchGroupDispatcher.
+  // TODO(rado): the type annotation should be dispatcher:ChangeDispatcher.
   // but @Implements is not ready yet.
   instantiate(dispatcher, formatters:Map):RecordRange {
     var recordRange:RecordRange = new RecordRange(this, dispatcher);
@@ -98,11 +99,11 @@ export class ProtoRecordRange {
 
 export class RecordRange {
   protoRecordRange:ProtoRecordRange;
-  dispatcher:any; //WatchGroupDispatcher
+  dispatcher:any; //ChangeDispatcher
   headRecord:Record;
   tailRecord:Record;
   disabled:boolean;
-  // TODO(rado): the type annotation should be dispatcher:WatchGroupDispatcher.
+  // TODO(rado): the type annotation should be dispatcher:ChangeDispatcher.
   // but @Implements is not ready yet.
   constructor(protoRecordRange:ProtoRecordRange, dispatcher) {
     this.protoRecordRange = protoRecordRange;
@@ -296,8 +297,7 @@ function _linkEnabled(a:Record, b:Record) {
   b.prevEnabled = a;
 }
 
-export class WatchGroupDispatcher {
-  // The record holds the previous value at the time of the call
+export class ChangeDispatcher {
   onRecordChange(record:Record, context) {}
 }
 

modules/change_detection/test/change_detector_spec.js

@@ -11,7 +11,7 @@ import {
   ChangeDetector,
   ProtoRecordRange,
   RecordRange,
-  WatchGroupDispatcher,
+  ChangeDispatcher,
   ProtoRecord
 } from 'change_detection/change_detector';
 
@@ -480,7 +480,7 @@ class TestData {
   }
 }
 
-class TestDispatcher extends WatchGroupDispatcher {
+class TestDispatcher extends ChangeDispatcher {
   log:List;
   loggedValues:List;
   onChange:Function;

modules/change_detection/test/record_range_spec.js

@@ -9,7 +9,6 @@ import {
   ChangeDetector,
   ProtoRecordRange,
   RecordRange,
-  WatchGroupDispatcher,
   ProtoRecord
   } from 'change_detection/change_detector';
 

modules/core/src/compiler/view.js

@@ -1,6 +1,6 @@
 import {DOM, Element, Node, Text, DocumentFragment, TemplateElement} from 'facade/dom';
 import {ListWrapper, MapWrapper, StringMapWrapper, List} from 'facade/collection';
-import {ProtoRecordRange, RecordRange, WatchGroupDispatcher} from 'change_detection/record_range';
+import {ProtoRecordRange, RecordRange, ChangeDispatcher} from 'change_detection/record_range';
 import {Record} from 'change_detection/record';
 import {AST} from 'change_detection/parser/ast';
 
@@ -20,7 +20,7 @@ const NG_BINDING_CLASS = 'ng-binding';
 /**
  * Const of making objects: http://jsperf.com/instantiate-size-of-object
  */
-@IMPLEMENTS(WatchGroupDispatcher)
+@IMPLEMENTS(ChangeDispatcher)
 export class View {
   /// This list matches the _nodes list. It is sparse, since only Elements have ElementInjector
   rootElementInjectors:List<ElementInjector>;